pip或setuptools不适用于python 3

我将Python3与Archlinux一起使用。每当我想使用pip安装软件包时，大多数软件包都无法安装并报告相同的问题：

Exception:
Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/usr/lib/python3.4/site-packages/pip/commands/install.py", line 339, in run
    requirement_set.prepare_files(finder)
  File "/usr/lib/python3.4/site-packages/pip/req/req_set.py", line 229, in prepare_files
    req_to_install.check_if_exists()
  File "/usr/lib/python3.4/site-packages/pip/req/req_install.py", line 928, check_if_exists
    self.satisfied_by = pkg_resources.get_distribution(self.req)
  File "/usr/lib/python3.4/site-packages/pip/_vendor/pkg_resources.py", line 461, in get_distribution
    dist = get_provider(dist)
  File "/usr/lib/python3.4/site-packages/pip/_vendor/pkg_resources.py", line 341, in get_provider
    return working_set.find(moduleOrReq) or require(str(moduleOrReq))[0]
  File "/usr/lib/python3.4/site-packages/pip/_vendor/pkg_resources.py", line 870, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/lib/python3.4/site-packages/pip/_vendor/pkg_resources.py", line 740, in resolve
    env = Environment(self.entries)
  File "/usr/lib/python3.4/site-packages/pip/_vendor/pkg_resources.py", line 927, in __init__
    self.scan(search_path)
  File "/usr/lib/python3.4/site-packages/pip/_vendor/pkg_resources.py", line 957, in scan
    self.add(dist)
  File "/usr/lib/python3.4/site-packages/pip/_vendor/pkg_resources.py", line 977, in add
    dists.sort(key=operator.attrgetter('hashcmp'), reverse=True)
TypeError: unorderable types: NoneType() < str()

---

这是pip或setuptools的错误吗？

这是由Python 2.x和3.x之间的更改引起的-看起来您的Python的pip是错误的。你试过pip3吗？或者，您想安装什么，它支持3.x吗？Archlinux上的默认python是Python3，所以我不需要pip3。但是Archlinux上的pip2python2运行良好。